Fanconi’s anemia /fankō″nēs/ [Guido Fanconi, Swiss pediatrician, 1892–1979] , a rare, usually congenital disorder transmitted as an autosomal-recessive trait, characterized by aplastic anemia in childhood or early adult life, bone abnormalities, chromatin breaks, and developmental anomalies. Children begin to show symptoms between 4 and 12 years of age. Also called congenital pancytopenia, pancytopenia-dysmelia. Also spelled Fanconi’s anaemia.